Preparation and Finite Element Analysis of Fly Ash/HDPE Composites for Large Diameter Bellows

Wu, Angxuan; Jia, Lan; Yu, Wenwen; Zhu, Fang; Liu, Fuyong; Wang, Yanqin; Lu, Guifang; Qin, Shuhao; Gao, Dongyang; Wang, Hua; Wu, Xiaogang; Zheng, Qiang

doi:10.3390/polym13234204

Cited by 4 publications

(5 citation statements)

References 10 publications

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“…Angxuan Wu et al used this same material ash) in the paper "Preparation and Finite Element Analysis of Fly Ash/HDPE Composites for Large Diameter Bellows" [6] to produce high-density polyethylene composites. In this work, the authors evaluated the improvement in the mechanical properties of the bellows, using fly ash surface-treated with silane as a reinforcement for high-density polyethylene (HDPE) to develop composite materials.…”

Section: Claudia Forte Et Al Published the Work "The Thermo-oxidative...mentioning

confidence: 99%

Polymer Composite Analysis and Characterization

Espinach

Tarrés

2023

Polymers

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Section: Claudia Forte Et Al Published the Work "The Thermo-oxidative...mentioning

confidence: 99%

Polymer Composite Analysis and Characterization

Espinach

Tarrés

2023

Polymers

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“…Wu et al have carried out research on the tensile properties of FA/HDPE materials, and this paper conducts research on practical engineering applications on the basis of materials research [ 10 ]. Tensile tests were carried out according to GB/T 1040.2-2006 [ 9 ] specification.…”

Section: Materials Of Fa/hdpe Double-wall Corrugated Pipesmentioning

confidence: 99%

“…The mechanical properties of FA/HDPE can be improved when the content of about 5% of the compatibilizer is added. When the compatibilizer is more than 5%, the mechanical properties of FA/HDPE decrease with the increase of the compatibilizer [ 10 ]. The stress-strain diagrams of different composites are shown in Figure 3 .…”

Section: Materials Of Fa/hdpe Double-wall Corrugated Pipesmentioning

confidence: 99%

“…The effect of FA and compatibilizer content in blend composition on Young’s modulus and tensile strength at yield were analyzed [ 10 ], as the difference in content can lead to changes in mechanical properties of materials. The pipes made of 10% modified FA masterbatch/5% Compatibilizer/85% HDPE composite could achieve better mechanical properties.…”

Section: Materials Of Fa/hdpe Double-wall Corrugated Pipesmentioning

confidence: 99%

“…Chinese specifications are considered when conducting tensile tests of polymers [ 9 ]. Through the laboratory and FEM, Wu et al proposed a composite of fly ash/HDPE to feasibly enhance the stiffness of double-wall corrugated pipes [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

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Research on the Mechanical Behavior of Buried Double-Wall Corrugated Pipes

Gao

Yang

et al. 2022

Polymers

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The mechanical behavior of buried HDPE double-wall corrugated pipes is mainly affected by the material and the structure of the pipe wall. Here we studied a peculiar material that added fly ash (FA) in high density polyethylene (HDPE) to develop composites. We have conducted research on FA/HDPE composites with different mix proportions. When 5% compatibilizer was added to the 10% FA masterbatch/HDPE composite, the Young’s Modulus of FA/HDPE composite was higher. This paper mainly studies the mechanical behavior of the structure of pipe walls for materials with this proportion of the ingredients. The mechanical behavior of double-wall corrugated pipes with different ratios of interior and exterior wall thicknesses is studied by keeping the sum of the interior and exterior wall thicknesses unchanged. Pipes with six different ratios of interior and exterior wall thicknesses are simulated; the results show that the strain of crest and liner gradually decreased and the valley strain gradually increased with the increase of the exterior wall thickness. By comparing inner and outer wall thickness ratios from 0.67 to 2.33, it is found that the structural performance and economic advantage for the double-wall corrugated pipes is best when the thickness ratio of the interior wall and the exterior wall is controlled to be from 1.3 to 1.8. This paper expounds the deformation mechanism of double-wall corrugated pipes from the perspective of mechanical behavior and structural characteristics, and provides a reference for material selection and structural design of double-wall corrugated pipes.

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Effects of fiber characteristics on tensile and impact properties of long fiber reinforced High‐Density Polyethylene

Jiang,

Wang,

Zhou

2024

Polymer Composites

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Due to the requirements of high stiffness and impact strength of HDPE pipes, in this article, long fiber reinforced HDPE were developed and the effects of fiber length, volume fraction, types, and matrix/fiber interface on the mechanical properties were investigated. Tensile properties, notched impact strength, as well as microstructures were tested. The results showed that fibers increased the tensile strength, modulus, and impact strength, but decreased their plastic deformation. Larger fiber fraction indicates more fibers are involved in load bearing, but easy agglomeration. With ascending fiber length, tensile, and impact strength first increased and then decreased, whereas tensile modulus first increased and then maintained an almost constant value. Carbon fibers showed no advantages over glass fibers and basalt fibers in reinforcing HDPE due to the relatively poor interface bonding strength. Interface modification with KH550 improved the mechanical performance of composites, but the enhancement was limited. More effective methods should be developed for better performance.Highlights Fiber increases strength and modulus, but decreases plastic deformation. Critical fiber length for basalt LFT is 2.6 mm obtained from SEM. Larger fiber volume and length lead to agglomerations. Difference in BF, CF, and GF reinforced HDPE is determined by interface. Interface modification enhances mechanical properties of LFT but limited.

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Preparation and Finite Element Analysis of Fly Ash/HDPE Composites for Large Diameter Bellows

Cited by 4 publications

References 10 publications

Polymer Composite Analysis and Characterization

Polymer Composite Analysis and Characterization

Research on the Mechanical Behavior of Buried Double-Wall Corrugated Pipes

Effects of fiber characteristics on tensile and impact properties of long fiber reinforced High‐Density Polyethylene

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